Jess Mauboy 'buzzing' after Eurovision

SHE'S performed before a worldwide audience of millions and chatted with Denmark's Princess Mary, so it's no wonder Jessica Mauboy is on a high from her Eurovision Song Contest debut.

The pop princess gave a typically spirited performance as a guest star at the singing contest's second semi-final, belting out her upbeat anthem Sea of Flags in the first time an Australian has performed at the European glitzfest.

"I'm still buzzing," a breathless Mauboy told Sunrise on Friday.

Striding the stage in a metallic Toni Maticevski gown, Mauboy had the Copenhagen crowd up and dancing with her infectious performance.

"The crowd was roaring ... everyone kind of got up," she said.

"They were dancing and just embracing that moment."

Mauboy said she wrote the song in just two days with good friend and The Potbellez frontman Ilan Kidron.

While she admitted to some pre-show nerves, the Australian Idol runner-up said she was proud to represent her country on the world stage.

She also enjoyed a meet-and-greet with fellow Aussie turned Danish royal Princess Mary.

"It was incredible, she brought her two children along," Mauboy said. "We had a really lovely, warm chat."

Apart from garnering new international fans - the contest generally attracts more than 125 million viewers - Mauboy said she'd become friends with one of the competition's most controversial contestants - Austria's Conchita Wurst, aka the "bearded lady".

"Oh yes, I'm really good friends with Conchita," Mauboy told Nova FM.

"What's so amazing about her, about Eurovision, is that it allows to be the artist that you are and take a bit of a risk."

She says she has her fingers crossed the Austrian will get through to the grand final.

Meanwhile, Mauboy was trending on Twitter in the UK after hitting the Eurovision stage.